What are the hand signals for scuba diving?

What are the hand signals for scuba diving?

22 Easy Scuba Diving Hand Signals You Should Know

  • 1 – Going up/Ascend. To indicate “going up” or “ascending”, ball the fist and raise the thumb as though giving your diving mates a thumbs up.
  • 2 – Going Down/Descend.
  • 3 – Something is wrong.
  • 4 – I am OK!
  • 5 – Stop.
  • 6 – Turn Around.
  • 7 – Which direction.
  • 8 – Boat.

How do divers communicate underwater?

A transducer is attached to the diver’s face mask, which converts his or her voice into an ultrasound signal. A fellow diver has an ultrasound receiver, which accepts the signal and converts it back to a sound that the diver can hear, allowing for communication.

How do you signal psi for diving?

The partner replies by pressing one finger to the arm for each 1,000 PSI and one finger up for each 100 PSI of air pressure left in their tank. For example, if the diver being asked has 1,400 PSI left, they press one finger to the arm, and then hold up four fingers.


The basic set, also called ABC-set, contains glasses, snorkel and a pair of flippers. The ABC set is not only used by beginners. Many divers use the ABC set to snorkel along the place where they dived.

Why do divers go in with flat hands?

This technique derives its name from the position of the hands: The palms of the hands face-up above the head, creating a “flat” or level surface. Essentially, the point of the flat-hand grab is to create a cavity in the water for the diver to pass through.

What is the ABC pre dive check acronym?

During a buddy check you’ll complete a final inspection of both your equipment and your buddy’s to make sure you’re both ready to enter the water. The standard PADI pre-dive safety check uses the acronym BWRAF. This stands for BCD/buoyancy, weights, releases, air, and final ok.

What does Bwraf mean in diving?

We’ve learned to dive on that PADI Openwater course and throughout it you have learned an acronym for the buddy check. The official PADI one is: Begin With Review And Friend, (BWRAF) which reminds you to check the BCD, Weights, Releases, Air and Final Check.

What are the five basic steps on the pre-dive safety check?

The 5 Steps in a Pre-Dive Safety Check

  • Step 1: B-BCD. The functions of the BCD are the first items to be checked during the buddy check.
  • Step 2: W-Weights. The second step in the pre-dive safety check requires you to check your buddy’s weights and weight belt.
  • Step 3: R-Releases.
  • Step 4: A-Air.
  • Step 5: F-Final.

What do they say is the best time to scuba dive?

Diving Season: October to May is the best diving season, with lower rainfall, calmer seas, and better visibility. Skill Level: Some experience in stronger currents is recommended.

What are some diving terms?

Glossary of Diving Terms

  • Approach. Three or more steps forward to the end of the board before the hurdle and takeoff.
  • Armstand Dive. The diver executes a dive from an armstand position.
  • Back Dive. Takeoff from the end of the board with back toward water.
  • Balk.
  • Degree of Difficulty.
  • Entry.
  • Flying.
  • Forward Dive.

What are the 5 most important rules of scuba diving?

The Six Rules Of Scuba Diving

  • Breathe continuously while on scuba. Never hold your breath.
  • Equalise early and often while descending.
  • Ascend slowly from every dive and make safety stops.
  • Continuously monitor depth, time, and pressure.
  • Do not overweight yourself.
  • Dive like a fish (and not like an ape).

Why do divers spit in their masks?

Decreasing the surface tension and creating a moisture film prevents fogging. So how does Spit help? Saliva acts as a surfactant. Surfactants are wetting agents that lower the surface tension of a liquid, allowing easier spreading.

Who is the best scuba diver in the world?

Almost everyone has heard of Jacques Cousteau. He is probably the most famous diver in the history of scuba diving. And rightly so since he is the one who made it accessible to the average person.

Who is the best diver in the world?

Greg Louganis, in full Gregory Efthimios Louganis, (born January 29, 1960, San Diego, California, U.S.), American diver who is generally considered the greatest diver in history.

What is pre-dive?

The pre-dive safety checks more commonly known as the buddy check, and it should be the last thing you will do before entering the water for your dive. It is also a good procedure to review the dive plan and signals to be used as part of or immediately before starting the buddy check.

What is a dive slang?

slang. a disreputable or seedy bar or club.

What is a perfect dive called?

The Rip Entry The splashless water entry is the culmination of a perfect dive. In keeping with the aesthetics of the sport, a judge wants to see an entry that slices through the water without a splash.

What is the golden rule in scuba diving?

1. Never hold your breath. This is undoubtedly by far the most crucial of all safety rules for diving because failure to adhere could result in fatality. If you hold your breath underwater at the depths at which scuba divers reach then the fluctuating pressure of air in your lungs can rupture the lung walls.

Why do we dive head first?

Since diving means entering a pool headfirst, the water has to be deep enough so that you don’t hit the bottom too quickly and risk getting a head or spine injury.

What is the deepest a scuba diver has gone?

The deepest dive The world’s deepest dive on open circuit scuba stands at 332.35m (1,090ft). It was undertaken by Ahmed Gabr in Dahab in the Red Sea on 18/19 September 2014 after nearly a decade of preparation. The descent took only 15 minutes while the ascent lasted 13 hours 35 minutes.

Whats the deepest a diver can go?

130 feet
A recreational diving limit of 130 feet can be traced back decades. The deepest your typical recreational scuba diver can go is 130 feet. In order to venture further and explore wrecks, caves and other sites beyond 130 feet, these agencies — such as PADI, NAUI and SSI — require “technical” certifications.

Why do scuba divers wear black?

Black is the first color to absorb photons, which is responsible for the UV resistant properties of your wetsuit and aids in the absorption of heat. With the water trapped, you want all the thermal support you can get. Carbon black added to raw neoprene supplies exactly that in terms of both heat and structure.

What country is best for scuba diving?

The Indonesian Republic is regularly voted as the best place in the world to scuba dive. The country consists of more than 13,000 islands, each having its own distinct identity both above and below the water.

What is a 5 point descent?

A proper five point descent takes only seconds and ensures that a diver is properly prepared before going underwater. The steps of the five-point descent are signal, orientation, regulator, time, and descend.

What are scuba divers called?

Scuba diving is an activity where people (called “scuba divers”, or simply “divers”) can swim underwater for a long time, using a tank filled with compressed air.

Are scuba diving hand signs easy to remember?

Fortunately, the most used scuba diving hand signs are intuitive so they are easy to remember. Here are some great images from ForDivers.com to help you visualize them. Below are the basic scuba dive hand signals that you should know.

How to use scuba diving signals?

All scuba diving signals are of importance but when safety is involved they are a must to learn. How: Reach out a flat hand with the palm facing down above your other hand and with the other, indicate ascend.

What is a good slogan for scuba diving?

These scuba diving slogans encourage fun and exploration of the coral reefs and more no matter where you are at. Be a Diver. Born to Dive. Cave divers have reel fun.

What does a thumbs-up sign mean in scuba diving?

A thumbs-up sign communicates “up” or “end the dive.” The “up” signal is one of the most important signals in scuba diving. Any diver can end the dive at any point for any reason by using the “up” signal. This important dive safety rule ensures divers are not forced beyond their comfort level underwater. The “up” signal is a demand-response signal.